TRAVERS, K. J., DALTON, L. C., & BRUNNER, V. F. (1984). Using algebra.-- Ed.3. Laidlaw Brothers.
Cita Chicago (17th ed.)TRAVERS, Kenneth J., LeRoy C. DALTON, i Vincent F. BRUNNER. Using Algebra.-- Ed.3. River Forest: Laidlaw Brothers, 1984.
Cita MLA (9th ed.)TRAVERS, Kenneth J., et al. Using Algebra.-- Ed.3. Laidlaw Brothers, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.